So, my house has a powder room that’s less than 36″ wide. There is a small vanity in there that really takes up more space than necessary. We have decided to remove it and replace it with a wall-mounted sink when we replace the flooring in the room. This way, the flooring will be exposed from wall to wall instead of being interrupted by a vanity cabinet. This should go a long way toward opening up the tiny space. I did a lot of research on small, wall-mounted sinks and came up with these five favorites:
Source:: http://feeds.apartmenttherapy.com/~r/apartmenttherapy/main/~3/PPfdEJoFDz4/small-sinks-213814

